[INFO] updating cached repository kwyse/muse
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kwyse/muse
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kwyse/muse" "work/ex/beta-1.37-6/sources/1.36.0/gh/kwyse/muse"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kwyse/muse'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kwyse/muse" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kwyse/muse"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kwyse/muse'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6796766a024540696c69d5a74614f6a035c07eaa
[INFO] sha for GitHub repo kwyse/muse: 6796766a024540696c69d5a74614f6a035c07eaa
[INFO] validating manifest of kwyse/muse on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kwyse/muse on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kwyse/muse
[INFO] finished frobbing kwyse/muse
[INFO] frobbed toml for kwyse/muse written to work/ex/beta-1.37-6/sources/1.36.0/gh/kwyse/muse/Cargo.toml
[INFO] started frobbing kwyse/muse
[INFO] finished frobbing kwyse/muse
[INFO] frobbed toml for kwyse/muse written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kwyse/muse/Cargo.toml
[INFO] crate kwyse/muse already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kwyse/muse against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kwyse/muse:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c9daac574647b24870fdbcea899c69ebdf8846aed6c40c26d5646b2a8fc5c440
[INFO] running `"docker" "start" "-a" "c9daac574647b24870fdbcea899c69ebdf8846aed6c40c26d5646b2a8fc5c440"`
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling muse v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/weight.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/weight.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/weight.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn insert(&mut self, entry: WeightLogEntry) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 write!(stream, "Latest weight recorded: {}kg\t\t({})\n", last.weight(), last.timestamp());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |                         write!(stream, "Trending weight: {}kg\t\t\t(trending {})\n", last.weight(), trend);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.55s
[INFO] running `"docker" "inspect" "c9daac574647b24870fdbcea899c69ebdf8846aed6c40c26d5646b2a8fc5c440"`
[INFO] running `"docker" "rm" "-f" "c9daac574647b24870fdbcea899c69ebdf8846aed6c40c26d5646b2a8fc5c440"`
[INFO] [stdout] c9daac574647b24870fdbcea899c69ebdf8846aed6c40c26d5646b2a8fc5c440
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kwyse/muse:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 832175fdac276b7a4af6f5d9c819a5e41a2060891df3a04c2826880a5b7c629b
[INFO] running `"docker" "start" "-a" "832175fdac276b7a4af6f5d9c819a5e41a2060891df3a04c2826880a5b7c629b"`
[INFO] [stderr]    Compiling muse v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 write!(stream, "Latest weight recorded: {}kg\t\t({})\n", last.weight(), last.timestamp());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |                         write!(stream, "Trending weight: {}kg\t\t\t(trending {})\n", last.weight(), trend);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `"docker" "inspect" "832175fdac276b7a4af6f5d9c819a5e41a2060891df3a04c2826880a5b7c629b"`
[INFO] running `"docker" "rm" "-f" "832175fdac276b7a4af6f5d9c819a5e41a2060891df3a04c2826880a5b7c629b"`
[INFO] [stdout] 832175fdac276b7a4af6f5d9c819a5e41a2060891df3a04c2826880a5b7c629b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kwyse/muse:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9de942af0336cc4dbb0d3e479140c65d6a4b853aeec740ff364df5daeadd04a0
[INFO] running `"docker" "start" "-a" "9de942af0336cc4dbb0d3e479140c65d6a4b853aeec740ff364df5daeadd04a0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/muse-13776814700f6a3f
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test weight::tests::weight_log_entries_are_inserted_in_ascending_date_order ... ok
[INFO] [stdout] test weight::tests::weight_log_entries_can_be_constructed_with_just_weight ... ok
[INFO] [stdout] test weight::tests::weight_log_cannot_be_constructed_with_invalid_weight_values ... ok
[INFO] [stdout] test weight::tests::weight_log_can_be_construct_with_valid_csv ... ok
[INFO] [stdout] test weight::tests::weight_log_cannot_be_constructed_with_invalid_timestamp_values ... ok
[INFO] [stdout] test weight::tests::weight_log_can_be_constructed_empty ... ok
[INFO] [stdout] test weight::tests::weight_log_entries_can_be_constructed_with_weight_and_timestamp ... ok
[INFO] [stdout] test weight::tests::weight_log_cannot_be_constructed_with_csv_missing_header_fields ... ok
[INFO] [stdout] test weight::tests::weight_log_calculates_the_moving_average ... ok
[INFO] [stdout] test weight::tests::weight_log_entries_can_be_inserted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9de942af0336cc4dbb0d3e479140c65d6a4b853aeec740ff364df5daeadd04a0"`
[INFO] running `"docker" "rm" "-f" "9de942af0336cc4dbb0d3e479140c65d6a4b853aeec740ff364df5daeadd04a0"`
[INFO] [stdout] 9de942af0336cc4dbb0d3e479140c65d6a4b853aeec740ff364df5daeadd04a0